{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:QREJL23ZWNDLR24EUG3VFW4OVT","short_pith_number":"pith:QREJL23Z","schema_version":"1.0","canonical_sha256":"844895eb79b346b8eb84a1b752db8eacd09dc8836e9a4c25f34b41725f18a213","source":{"kind":"arxiv","id":"1709.10200","version":1},"attestation_state":"computed","paper":{"title":"Asteroseismology of the ultramassive ZZ Ceti star WD 0246+326","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Chun Li, Fangfang Chen, Jianning Fu, Jie Su, Lester Fox-Machado","submitted_at":"2017-09-28T23:45:02Z","abstract_excerpt":"The internal structures of pulsating white dwarfs can be explored only with asteroseismology. Time series photometric observations were made for the pulsating DA white dwarf (ZZ Ceti star) WD~0246+326 during 9 nights in 2014 with a bi-site observation campaign. Eleven frequencies were detected including 1 triplet, 2 doublets, and 4 single modes, which are identified as either $l=1$ or $l=2$ modes with the complementarity of frequencies present in the literature. From the multiplets, the rotation period of \\astrobj{WD~0246+326} is derived as $3.78\\pm 0.11$ days. The average period spacing of th"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1709.10200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-28T23:45:02Z","cross_cats_sorted":[],"title_canon_sha256":"3855d38819e0212bfabeee112c311f1955e9e4bae2050c47e8ce5f693a6acd96","abstract_canon_sha256":"d67781876ab75c25aae40ec51e2cbe8c3d1ae41db8bf90a1d5ec46c1e1bad36e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:04.004407Z","signature_b64":"MB+UQknU4CGWlzNx+Z6n2bylrso0QRSM51uLtvGWt+CApH6Pfs2pkSTZAAIRO553SmNgiYTtyTCY6kKsS60rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"844895eb79b346b8eb84a1b752db8eacd09dc8836e9a4c25f34b41725f18a213","last_reissued_at":"2026-05-18T00:34:04.003815Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:04.003815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Asteroseismology of the ultramassive ZZ Ceti star WD 0246+326","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Chun Li, Fangfang Chen, Jianning Fu, Jie Su, Lester Fox-Machado","submitted_at":"2017-09-28T23:45:02Z","abstract_excerpt":"The internal structures of pulsating white dwarfs can be explored only with asteroseismology. Time series photometric observations were made for the pulsating DA white dwarf (ZZ Ceti star) WD~0246+326 during 9 nights in 2014 with a bi-site observation campaign. Eleven frequencies were detected including 1 triplet, 2 doublets, and 4 single modes, which are identified as either $l=1$ or $l=2$ modes with the complementarity of frequencies present in the literature. From the multiplets, the rotation period of \\astrobj{WD~0246+326} is derived as $3.78\\pm 0.11$ days. The average period spacing of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.10200","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1709.10200","created_at":"2026-05-18T00:34:04.003922+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.10200v1","created_at":"2026-05-18T00:34:04.003922+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.10200","created_at":"2026-05-18T00:34:04.003922+00:00"},{"alias_kind":"pith_short_12","alias_value":"QREJL23ZWNDL","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_16","alias_value":"QREJL23ZWNDLR24E","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_8","alias_value":"QREJL23Z","created_at":"2026-05-18T12:31:39.905425+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT","json":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT.json","graph_json":"https://pith.science/api/pith-number/QREJL23ZWNDLR24EUG3VFW4OVT/graph.json","events_json":"https://pith.science/api/pith-number/QREJL23ZWNDLR24EUG3VFW4OVT/events.json","paper":"https://pith.science/paper/QREJL23Z"},"agent_actions":{"view_html":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT","download_json":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT.json","view_paper":"https://pith.science/paper/QREJL23Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.10200&json=true","fetch_graph":"https://pith.science/api/pith-number/QREJL23ZWNDLR24EUG3VFW4OVT/graph.json","fetch_events":"https://pith.science/api/pith-number/QREJL23ZWNDLR24EUG3VFW4OVT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT/action/storage_attestation","attest_author":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT/action/author_attestation","sign_citation":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT/action/citation_signature","submit_replication":"https://pith.science/pith/QREJL23ZWNDLR24EUG3VFW4OVT/action/replication_record"}},"created_at":"2026-05-18T00:34:04.003922+00:00","updated_at":"2026-05-18T00:34:04.003922+00:00"}